<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form name="reg" action="http://localhost:8080/login" method="post">
    用户名: <input name="username" type="text"/><br/>
    密码： <input name="password" type="password"/><br/>
    <input type="submit" value="提交" id="bt"/>
</form>
</body>
</html>